A.inB.atC.withD.onIs the pilot boat （） station……

单项选择题Insufficient space between the hull and bottom in shallow water will prevent normal screw currents resulting in （）.

A.waste of power
B.sudden sheering to either side
C.sluggish rudder response
D.All of the above

单项选择题Information on the operating times and characteristics of foreign radiobeacons can be found in which publication? （）

A.List of Lights
B.Coast Pilot
C.Sailing Directions
D.List of Radiobeacons

单项选择题If the officer on watch is in any doubt as to the pilot’s actions，or intentions，he should （）.

A.notify the Captain as soon as possible
B.seek clarification from the pilot
C.take action by his own judgment
D.cease the duty of pilot's at once

单项选择题Gangway （）with pilot ladder on my starboard side．

A.being rigged combined
B.is rigged combining
C.rigs combining
D.is rigged combined

单项选择题From （）the mariner can understand the data of tide．

A.cargo plan
B.tide table
C.port list
D.sea pilot